Anacithara modicaAnacithara modica is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.DescriptionThe length of the ovate-fusiform, pink to purple, semitransparent shell attains 6 mm, its diameter 2½ mm. It contains 6 whorls. The aperture is small. The outer lip is much thickened and slightly sinuate on top..The columella has a slight callus. The wide siphonal canal is very short.DistributionThis marine species occurs off Japan and the Philippines.